3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo 123 + 123 ; echo "\n"; echo 0123 + 123 ; echo "\n"; echo "123" + 123 ; echo "\n"; echo "0123" + 123 ; echo "\n"; echo 123 + "123"; echo "\n"; echo 123 + "0123"; echo "\n";
based on amrKd
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
246 206 246 246 246 246
Output for hhvm-3.10.0

Process exited with code 153.